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CENELEC
EN 60404-6:2003

EN 60404-6:2003

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Magnetic materials - Part 6: Methods of measurement of the magnetic properties of magnetically soft metallic and powder materials at frequencies in the range 20 Hz to 200 kHz by the use of ring specimens

Superseded date

02-04-2022

Published date

09-11-2003

Publisher

European Committee for Standards - Electrical

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 General principles of measurement
   3.1 Test specimen
   3.2 Windings
4 Temperature measurements
5 Measurement of magnetic permeability and magnetization
   curve using the voltmeter-ammeter method
   5.1 Introduction
   5.2 Apparatus and connections
   5.3 Determination of magnetic field strength
   5.4 Determination of the magnetic flux density
   5.5 Determination of the r.m.s. amplitude permeability
       and the relative amplitude permeability
   5.6 Determination of magnetization curve
6 Measurement of specific total loss by the wattmeter
   method
   6.1 Principle of measurement
7 Measurement of magnetic properties using a digital
   impedance bridge
   7.1 Principle of measurement
   7.2 Apparatus
   7.3 Procedure
   7.4 Determination of the relative a.c. inductance
       permeability
   7.5 Determination of the specific total loss
8 Measurement of magnetic properties using digital
   methods
   8.1 Introduction
   8.2 Apparatus and connections
   8.3 Magnetizing current waveform
   8.4 Magnetizing winding
   8.5 Determination of the magnetic field strength
   8.6 Determination of the magnetic flux density
   8.7 Determination of the relative a.c. permeability
   8.8 Determination of a.c. magnetization curve
   8.9 Determination of the specific total loss
9 Uncertainties
10 Test report
Annex A (informative) Guidance on requirements for windings
        and instrumentation in order to minimise additional
        losses
Annex B (informative) Sinusoidal waveform control by digital
        means
Bibliography

Specifies methods for the measurement of a.c. magnetic properties of materials in the frequency range 20 Hz to 200 kHz other than electrical steels and soft ferrites. The materials covered by this part of EN 60404 include those speciality alloys listed in EN 60404-8-6, amorphous and nanocrystalline materials, pressed and sintered and metal injection moulded parts such as are listed in EN 60404-8-9, cast parts and magnetically soft composite materials. The object of this part is to define the general principles and the technical details of the measurement of the magnetic properties of magnetically soft materials by means of ring methods. For materials supplied in powder form, a ring test specimen is formed by the appropriate pressing method for that material. DC magnetic measurements on magnetically soft materials shall be made in accordance with the ring method of EN 60404-4. The determinations of the magnetic characteristics of magnetically soft components shall be made in accordance with EN 62044-3. Normally, the measurements shall be made at an ambient temperature of (23 ± 5) °C on ring test specimens which have first been magnetized, then demagnetized. Measurements can be made over other temperature ranges by agreement between supplier and purchaser. The scope of the second edition has been extended to include all magnetically soft materials except ferrites.

Committee
CLC/SR 68
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Superseded
SupersededBy

CEI EN 60404-8-6 : 2009 MAGNETIC MATERIALS - PART 8-6: SPECIFICATIONS FOR INDIVIDUAL MATERIALS - SOFT MAGNETIC METALLIC MATERIALS
I.S. EN 60404-1:2017 MAGNETIC MATERIALS - PART 1: CLASSIFICATION
EN 60404-1:2017 Magnetic materials - Part 1: Classification
EN 60404-8-6:2017 Magnetic materials - Part 8-6: Specifications for individual materials - Soft magnetic metallic materials
CEI EN 60404-1 : 1ED 2017 MAGNETIC MATERIALS - PART 1: CLASSIFICATION
I.S. EN 60404-8-6:2017 MAGNETIC MATERIALS - PART 8-6: SPECIFICATIONS FOR INDIVIDUAL MATERIALS - SOFT MAGNETIC METALLIC MATERIALS
BS EN 60404-8-6:2017 Magnetic materials Specifications for individual materials. Soft magnetic metallic materials
BS EN 60404-1:2017 Magnetic materials Classification

EN 60404-4:1997/A2:2008 MAGNETIC MATERIALS - PART 4: METHODS OF MEASUREMENT OF D.C. MAGNETIC PROPERTIES OF MAGNETICALLY SOFT MATERIALS
IEC 60404-4:1995+AMD1:2000+AMD2:2008 CSV Magnetic materials - Part 4: Methods of measurement of d.c. magnetic properties of magnetically soft materials
IEC 60404-8-9:1994 Magnetic materials - Part 8: Specifications for individual materials - Section 9: Standard specification for sintered soft magnetic materials
EN 62044-3:2001 Cores made of soft magnetic materials - Measuring methods - Part 3: Magnetic properties at high excitation level
EN 60404-2:1998/A1:2008 MAGNETIC MATERIALS - PART 2: METHODS OF MEASUREMENT OF THE MAGNETIC PROPERTIES OF ELECTRICAL STEEL STRIP AND SHEET BY MEANS OF AN EPSTEIN FRAME
IEC 60404-8-6:2016 Magnetic materials - Part 8-6: Specifications for individual materials - Soft magnetic metallic materials
IEC 62044-3:2000 Cores made of soft magnetic materials - Measuring methods - Part 3: Magnetic properties at high excitation level
IEC 60404-2:1996+AMD1:2008 CSV Magnetic materials - Part 2: Methods of measurement of the magnetic properties of electrical steel strip and sheet by means of an Epstein frame

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